FREE SHIPPING For orders $35 or more within the USA

Simpson Strong-Tie

1/4" x 1-7/8" Simpson Strong-Tie Titen HD® Countersunk Head Heavy-Duty Screw Anchor Zinc Plated THDB25178CS, 100/Box

SKU:
CSF14178;SC
MPN:
THDB25178CS
UPC:
707392003151
$88.19
UPC:
707392003151

Description

  • Qualified for static and seismic loading conditions
  • Standard fractional sizes, hole size same as anchor size
  • No special drill bit required — designed to install using standard-sized ANSI tolerance drill bits
  • Removable — ideal for temporary anchoring or applications where fixtures may need to be moved
  • T30 6-lobe drive reduces driver-bit cam-outs, resulting in easier installation
  • Countersunk head allows for flush-mount applications that are not possible with a hex head
  • Serrated teeth on the tip of the Titen HD screw anchor facilitate cutting and reduce installation torque
  • Zinc plated; not recommended for permanent exterior use or highly corrosive environments
  • Anchor size: 1/4 in. x 1-7/8 in.
  • Quantity: 100
Products specifications
Bit Size1/4"
Minimum EmbedmentSee PDF
Box Qty100
TypeMale
Diameter1/4"
Length1-7/8"
MaterialCarbon Steel
EnvironmentDry
Minimum SpacingSee PDF
Minimum Edge DistanceSee PDF
Maximum Fixture ThicknessSee PDF
Minimum Fixture Hole Diameter (In Place)See PDF
Minimum Fixture Hole Diameter (Hole Spotted)See PDF
Maximum TorqueSee PDF
Wrench Size For NutT30 6-Lobe
Length MeasurementOverall length including head
Brand NameSimpson Strong-Tie
* Values shown are average ultimate values and are offered only as a guide and are not guaranteed. A safety factor of 4:1 or 25% is generally accepted as a safe working load

The information on this page is intended for preliminary guidance only. For complete safety and to verify accurate information, please consult the (PDF linked below) to obtain the manufacturer’s values when selecting the anchors for your project.

The Titen HD heavy-duty screw anchor family of products set the standard for high-performance anchoring and ease of installation. The Titen HD (carbon steel) is designed for use in dry, interior, noncorrosive environments or temporary outdoor applications, while the Titen HD Type 316 stainless-steel option offers you long-lasting corrosion resistance for unsurpassed peace of mind. Titen HD offers industry-leading performance even in seismic and wind-governed conditions. The countersunk head style is for applications that require a flush-mount profile. Countersinking also leaves a cleaner surface appearance for exposed through-set applications. The anchor head’s 6-lobe drive eases driving and is less prone to stripping than traditional recessed anchor heads.

Installation

  1. Drill a hole in the base material using a carbide drill bit the same diameter as the nominal diameter of the anchor to be installed. Drill the hole to the specified embedment depth plus minimum hole depth overall (see table below) to allow the thread tapping dust to settle, and blow it clean using compressed air. (Overhead installations need not be blown clean.) Alternatively, drill the hole deep enough to accommodate embedment depth and the dust from drilling and tapping.
  2. Insert the anchor through the fixture and into the hole.
  3. Tighten the anchor into the base material until the bottom of the countersunk head contacts the fixture.
Titen HD Diameter (in.) Drive Type Recommended Fixture Hole Size (in.) Min. Hole Depth Overdrill (in.)
Suggested fixture hole sizes are for structural steel thicker than 12 gauge only. Larger holes are not required for wood or thinner cold-formed steel members.
1/4 T30 3/8 to 7/16 1/8
3/8 T50 1/2 to 9/16 1/4

Caution

  • Holes in metal fixtures to be mounted should match the diameter specified in the table above
  • Use a Titen HD screw anchor one time only — installing the anchor multiple times may result in excessive thread wear and reduce load capacity
  • Do not use impact wrenches to install into hollow CMU
  • Oversized holes in base material will reduce or eliminate the mechanical interlock of the threads with the base material and reduce the anchor's load capacity
  • Installation of concrete screw generally is influenced by many factors such as but not limited to, concrete compressive strength, type of aggregate, installation location, installation direction and tools used for installation

Link Image Catalog PDF

Link Image Product Information (on Simpson Website)

Package information
6.3125 in. x 3.5 in. x 3.5 in.,  3.2 lbs.


California Prop 65 WARNING! Cancer -www.P65Warnings.ca.gov

Carton Reference 20707392003155

Pallet Reference 50707392003156

Extra Information

Brand:
Simpson Strong-Tie
Bit Size:
1/4"
Minimum Embedment:
See PDF
Environment:
Dry
Material:
Carbon Steel
Length Measurement:
Overall length including head
Concrete Application:
Cracked & Uncracked Approved
Type:
Male
Minimum Fixture Hole Diameter (In Place):
3/8"
Diameter:
1/4"
Brand Name:
Simpson Strong-Tie
Minimum Fixture Hole Diameter (Hole Spotted):
3/8"
Length:
1-7/8"
Box Qty:
100
Minimum Spacing:
See PDF
Minimum Edge Distance:
See PDF
Thread Type:
Undercut Design
Head Type:
Countersunk Phillips
__Product Type:
Concrete Screw

Warranty Information

Link ImageLimited warranty, available at www.strongtie.com/limited-warranties.